topic Re: LAS FILE SHOWS "NULL" VALUES in ArcMap Questions

LAS FILE SHOWS "NULL" VALUES

Elijah — Wed, 05 Dec 2018 11:10:38 GMT

I have a .las file (please see attached) that shows "null" when i tried to "Create LAS Dataset" in ArcGIS. I have followed the procedure I think I should but it still doesn't work. Please, could you look at the file and perhaps see what may be wrong.

Thanks in advance

Re: LAS FILE SHOWS "NULL" VALUES

JakeSkinner — Wed, 05 Dec 2018 14:06:49 GMT

Hi Andy,

I think the LAS file is corrupted. I tried adding it to ArcMap 10.6.1. and received an error:

Attached is a LAS file you can test with that works.

Re: LAS FILE SHOWS "NULL" VALUES

Elijah — Fri, 07 Dec 2018 11:57:53 GMT

Thanks alot Skinner. I appreciate your response. I was also able to open the sample LAS file you attached for me here.

The LAS file I am trying to open is actually from borehole logging equipment (Delta Epsilon Instruments Inc.) and with this standard (CWLS Log ASCII Standard - Version 2.0).You may wish to look at it again in light of this additional info and with your wealth of experience. It is a valid LAS file, but perhaps some manipulations were needed to successfully load it into ArcGIS. I say this because it was successfully loaded in IHS kingdom (a Geological Interpretation software).

I 'll be glad to get a response on this if possible.

Thanks all